Storage engines
InnoDB
Supports transactions, row-level locking, and foreign keys
[
Variabel
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Penampungan Penyangga
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Status InnoDB
]
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2025-08-01 22:27:54 0x7fb2c4062700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 56 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 25 srv_active, 0 srv_shutdown, 701 srv_idle
srv_master_thread log flush and writes: 0
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 64
OS WAIT ARRAY INFO: signal count 64
RW-shared spins 1, rounds 1, OS waits 0
RW-excl spins 1, rounds 0, OS waits 0
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1.00 RW-shared, 0.00 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 9909
Purge done for trx's n:o < 9909 undo n:o < 0 state: running but idle
History list length 8
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421880887769704, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421880887768832, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
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FILE I/O
--------
I/O thread 0 state: waiting for completed aio requests (insert buffer thread)
I/O thread 1 state: waiting for completed aio requests (log thread)
I/O thread 2 state: waiting for completed aio requests (read thread)
I/O thread 3 state: waiting for completed aio requests (read thread)
I/O thread 4 state: waiting for completed aio requests (read thread)
I/O thread 5 state: waiting for completed aio requests (read thread)
I/O thread 6 state: waiting for completed aio requests (write thread)
I/O thread 7 state: waiting for completed aio requests (write thread)
I/O thread 8 state: waiting for completed aio requests (write thread)
I/O thread 9 state: waiting for completed aio requests (write thread)
Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] ,
ibuf aio reads:, log i/o's:, sync i/o's:
Pending flushes (fsync) log: 0; buffer pool: 0
1422 OS file reads, 785 OS file writes, 283 OS fsyncs
0.09 reads/s, 16384 avg bytes/read, 0.25 writes/s, 0.18 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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Ibuf: size 1, free list len 0, seg size 2, 0 merges
merged operations:
insert 0, delete mark 0, delete 0
discarded operations:
insert 0, delete mark 0, delete 0
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 0 buffer(s)
Hash table size 34679, node heap has 3 buffer(s)
Hash table size 34679, node heap has 6 buffer(s)
670.20 hash searches/s, 379.92 non-hash searches/s
---
LOG
---
Log sequence number 50983552
Log buffer assigned up to 50983552
Log buffer completed up to 50983552
Log written up to 50983552
Log flushed up to 50983552
Added dirty pages up to 50983552
Pages flushed up to 50983552
Last checkpoint at 50983552
188 log i/o's done, 0.11 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 631517
Buffer pool size 8192
Free buffers 6753
Database pages 1423
Old database pages 505
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 332, not young 228
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1279, created 150, written 512
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 1423, unzip_LRU len: 0
I/O sum[11]:cur[0], unzip sum[0]:cur[0]
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ROW OPERATIONS
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0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=367, Main thread ID=140405402425088 , state=sleeping
Number of rows inserted 154, updated 376, deleted 0, read 586339
0.00 inserts/s, 0.04 updates/s, 0.00 deletes/s, 1236.28 reads/s
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END OF INNODB MONITOR OUTPUT
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